SINURAT, M. The Effect Of Product Uniqueness And External Environmental Analysis On Competitive Advantage. Economic Development Progress, [S. l.], v. 4, n. 1, p. 35–41, 2025. DOI: 10.70021/edp.v4i1.229. Disponível em: https://journal.stie-binakarya.ac.id/index.php/edp/article/view/229. Acesso em: 15 aug. 2026.